1999 Chevrolet Silverado 1500 "ecm ac 2" Questions

...ac the meter displays 2 numbers every second never settling on a number The crank sensor generates the signal for the ecm. Every revolution of the crankcase sends a momentary impulse to the ecm. That ...

ac off. Fans run all time. Are the fans running on low or high ? Circuit/System Description The engine control module (ECM) commands the fans ON in either high speed or low speed, depending on cooling

...AC on the truck dies. When i try to drive it, and give it gas the truck runs rough and has no power at all once i get RPMS above 2200 the truck runs just fine. Truck runs great on the high way but ...

AC) AT ECM MODULE UNDER HOOD ON DRIVER FENDER BLACK PLUG PIN #57 Parking Lights LIGHT BLUE (-) AT VEHICLE LIGHT SWITCH Brake Lights LIGHT BLUE/WHITE (+) AT SWITCH ABOVE BRAKE PEDAL IGNITION MUST BE ON

...AC relay and I put power to the ground wire that cames from the ECM and it kill the engine and wont start Follow the link for info on this fault. U0100 Lost Communication With ECM PCM var ezzns2 0 05 ...

...ECM) for water intrusion. 2. If OK, check the output of the crankshaft position sensor, it should be at least 1.0 volts AC. 3. Verify battery voltage (B+) is present at the injector and coil ...

AC blows cold air and fan kicks back on. I'm thinking I have some wiring or ECM problem? Anyone else have this problem? I guess the overall answer is yes it could be the ECM.Code 16 is high or

ac unit? It is possible to damage the ECM by ujump starting the car as there is a very specific procedure to follow to prevent a power surge when connecting up the battery leads. Most new jumper leads

...ac clutch relay. Did a by pass on the pressure switch. Nothing helps. Terry, have it checked for low refrigerant at a good shop. "I hope this helped you out, if so let me know by pressing the helpful ...

...ECM) F14 (5A) Engine management system F15 (5A/10A/15A) Fuel pump (FP), AC compressor clutch, engine management system F16 (30A) Multifunction control module 2 F17 (15A) Alarm system horn F18 (30A) ...